Is there a steep learning curve in crystallography?

Mastering a steep learning curve: trends in perioperative orientation.

Is there a Learning Curve for Pancreaticoduodenectomy after Fellowship Training?

BACKGROUND Limited data exist regarding a learning curve for pancreaticoduodenectomy (PD). This study examines whether a learning curve exists for the performance of PD after fellowship training. METHODS Review of the outcomes of a single surgeon's first 60 PDs after completion of specialty training in pancreatic surgery. RESULTS Sixty PDs were performed over five years, with the final 30 b...

Laparoscopic liver resection: is there a learning curve?

BACKGROUND Laparoscopic liver resection (LLR) is becoming an accepted treatment option for resecting both benign and malignant tumours. However, it is critical that the laparoscopic approach does not compromise the technical quality of the liver resection. The aim of this paper was to review the learning curve of LLR in a specialist HPB unit. METHODS A prospective database was searched to ide...

Is There a Kuznets Curve?

No. There has never been good evidence for a pattern of rising inequality in low-income countries and falling inequality in higher income countries. The only evidence that appears to support the Kuznets hypothesis is the cross-sectional pattern of inequality levels across countries, although the Kuznets hypothesis is an assertion about the path of inequality within countries. Numerous cross-sec...

The first 150 endovascular AAA repairs at a single institution: how steep is the learning curve?

PURPOSE To determine whether increasing experience with endovascular abdominal aortic aneurysm (AAA) repair in a single institution will result in improved outcome. METHODS A retrospective review was undertaken of 150 consecutive cases of endovascular AAA repairs performed using the AneuRx device between October 1996 and April 2000 in a university-based medical center. The population was divi...